/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/ListUtilityFunctions.h
Updates the value of the FVector2D stored in the UV List at the specified location. If theIndexis invalid, the operation will fail and bValidIndex will be set to false on return.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="GeometryScript|ListUtils", Meta=(ScriptMethod)) static void SetUVListItem ( [FGeometryScriptUVList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptUVList) & UVList, int Index, FVector2D NewUV, bool & bIsValidIndex )